The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2023
Filed:
Jul. 02, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Kyoung Hun Been, Ulsan, KR;
Jin Woo Kim, Hwaseong-si, KR;
Byeong Kyu Jeon, Busan, KR;
Soon Gyu Lee, Daegu, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); G06V 40/12 (2022.01); G06V 40/10 (2022.01); G01S 15/89 (2006.01);
U.S. Cl.
CPC ...
G06V 40/1306 (2022.01); G01S 15/8956 (2013.01); G01S 15/8965 (2013.01); G06V 40/10 (2022.01); G06V 40/1376 (2022.01); G06V 40/15 (2022.01);
Abstract
An ultrasonic fingerprint sensing method includes: generating a first ultrasonic wave using a first frequency; receiving a first signal generated by reflection of the first ultrasonic wave from each of a ridge and a valley of a fingerprint; generating a first image based on the first signal; comparing the first image with a registered reference image to generate a matching score; and in response to the matching score being less than a threshold value, generating a second image using a second frequency.